Well, since there've been so many great ideas suggested over on the "Things to do with vinegar" thread, and since there's probably a lot more beer in the world than there is vinegar, what can you do with it? Obviously, you can drink it. And you can use it to bait slug traps. Seems like I remember something about washing hair with it. And you can use it instead of water or milk to make a batter for frying seafood.

Gotta be more. Heck, everybody likes beer more than vinegar. How many times have you seen tavern owners trying to attract customers by displaying signs that say "FREE VINEGAR!"?